why was pi named pi?

Question

i want a resource

i mean 3.141592 not the letter

Answer 1

pi is not only a mathematical value, but it is a letter of the greek alphabet.

This question is kind of like asking "why was g named g". It's a letter. If you want a real answer, you'll have to ask the ancient greeks.

Answer 2

Use of the symbol π
Often William Jones' book A New Introduction to Mathematics from 1706 is cited as the first text where the Greek letter π was used for this constant, but this notation became particularly popular after Leonhard Euler adopted it some years later, (cf. History of π).

Answer 3

that's a letter interior the Greek alphabet. via fact it became the 1st letter interior the Greek notice for perimeter and pi is computed by ability of making use of the fringe or circumference of a circle, the letter pi became observed for the consistent by ability of a mathematician.

Answer 4

All the good Greek letters were already taken ;)